<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			#back{
				width: 400px;
				height: 400px;
				/*background-color: gray;*/
				background-image: url(img/head.jpg);
				border: 2px solid black;
				/*设置图片是否重复*/
				background-repeat: no-repeat;
				background-position: 20px 20px;
			}
		</style>
	</head>
	<body>
		<div id="back">
			
		</div>
	</body>
</html>
